Clear Quartz is known as the "master healer" and will amplify energy and thought, as well as the effect of other crystals. It absorbs, stores, releases and regulates energy. Clear Quartz draws off negative energy of all kinds, neutralising background radiation, including electromagnetic smog or petrochemical emanations. It is believed to attract, amplify and channel healing energy. It is also believed to be cleansing and healing, with the ability to focus the mind and spirit. Quartz will absorb negative energy and give out positive energy and is wonderful for family harmony and the home. It is good for stimulating creativity and harmony and larger pieces placed in home corners help to stimulate energy flow in that area. It balances and revitalises the physical, mental, emotional and spiritual planes. It aids concentration and unlocks memory. Stimulates the immune system and brings the body into balance. Clear Quartz (Crystal Quartz, Rock Crystal) harmonises all the chakras and aligns the subtle bodies.